Popplio (アシマリ Ashimari) is a Water-type Pokémon. It is one of the three Starter Pokémon of the Alola region, the other two being Litten and Rowlet. Full Article: Popplio

Sobble (メッソン Messon) is the Water-type Starter Pokémon of the Galar region. It is one of the three Starter Pokémon revealed for the core titles Pokémon Sword and Shield. Full Article: Sobble

Froakie (ケロマツ Keromatsu) is a Water-type Pokémon introduced in Generation VI and is the Water-type Starter of Kalos. Full Article: Froakie

Oshawott (Japanese: ミジュマル Mijumaru) is a Water-type Pokémon introduced in Generation V. It is the Water-type Starter Pokémon of the Unova region and also one of the three Starter Pokémon of the ancient Sinnoh region in Pokémon Legends: Arceus alongside Rowlet and Cyndaquil. Full Article: Oshawott

Piplup (Japanese: ポッチャマ Potchama) is the Water-type Starter Pokémon of the Sinnoh region. It was introduced in Generation IV. Full Article: Piplup

Mudkip (ミズゴロウ Mizugorou) is the Water-type Starter Pokémon of the Hoenn region, introduced in Generation III. Full Article: Mudkip

Marill (マリル Mariru) is a Water/Fairy-type Pokémon introduced in Generation II. Prior to Generation VI, it was a pure Water Pokémon. Full Article: Marill

Totodile (ワニノコ Waninoko) is the Water-type Starter Pokémon of the Johto region. Full Article: Totodile

Squirtle (ゼニガメ Zenigame) is a Water-type Pokémon introduced in Generation I. It evolves into Wartortle starting at level 16. It is one of the three Starter Pokémon that can be chosen in Kanto region. Full Article: Squirtle